GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Engine 🢒 Engine Controls - 7.4L 🢒 Engine Controls Connector End Views
Table 1: Accelerator Pedal Position (APP) Sensor Connector
Table 2: Camshaft Position (CMP) Sensor Connector
Table 3: Crankshaft Position (CKP) Sensor Connector
Table 4: Engine Coolant Level Switch Connector
Table 5: Engine Coolant Temperature (ECT) Sensor Connector
Table 6: Engine Oil Pressure Sensor Connector
Table 7: Evaporative Emissions Canister (EVAP) Purge Valve Connector
Table 8: Exhaust Gas Recirculation (EGR) Valve Connector
Table 9: Fuel Injector Connectors, Odd (LH)
Table 10: Fuel Injector Connectors, Even (RH)
Table 11: Fuel Pump Module Connector
Table 12: HO2S Connector, Bank 1 Sensor 1
Table 13: HO2S Connector, Bank 2 Sensor 1
Table 14: HO2S Connector, Bank 1 Sensor 2
Table 15: HO2S Connector, Bank 2 Sensor 2
Table 16: Ignition Coil Connectors, Odd (LH)
Table 17: Ignition Coil Connectors, Even (RH)
Table 18: Intake Air Temperature (IAT) Sensor Connector
Table 19: Manifold Absolute Pressure (MAP) Sensor Connector
Table 20: Mass Air Flow (MAF) Sensor Connector
Table 21: Park/Neutral Position Switch Connector
Table 22: Speedometer Adapter Module Connector
Table 23: Throttle Actuator Control (TAC) Module C1
Table 24: Throttle Actuator Control (TAC) Module C2
Table 25: Throttle Body Motor Connector
Table 26: Throttle Position (TP) Sensor Connector
Table 27: Vehicle Speed Sensor (VSS) Connector

Accelerator Pedal Position (APP) Sensor Connector


Object Number: 258921 Size: CH

Connector Part Information
    • 12065425
    • 10 Way F Metri-Pack 150 series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1273

Pedal Position Return 3

B

PPL

1272

Pedal Position Return 2

C

LT BLU

1162

Pedal Position Signal 3

D

TAN

1274

Pedal Position 5 V Reference 2

E

YEL/BLK

1275

Pedal Position 5 V Reference 3

F

DK BLU

1161

Pedal Position Signal 1

G

WHT/BLK

1164

Pedal Position 5 V Reference 1

H

--

--

Not Used

J

BRN

1271

Pedal Position Return 1

K

DK GRN

1163

Pedal Position Signal 3

Camshaft Position (CMP) Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

632

Camshaft Position Sensor Return

B

BRN/WHT

633

Camshaft Position Sensor Signal

C

RED

631

Camshaft Position Sensor Feed, 12 V Reference

Crankshaft Position (CKP) Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU /WHT

1869

Crankshaft Position Sensor Signal

B

YEL/BLK

1868

Crankshaft Position Sensor Return

C

LT GRN

1867

Crankshaft Position Sensor Feed, 12 V Reference

Engine Coolant Level Switch Connector


Object Number: 263013 Size: CH

Connector Part Information
    • 12052641
    • Metri-Pack 150 Series Sealed 2 Way Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

68

Low Coolant Indicator Lamp, through S210 to the Diode Network

B

BLK

150

Ground

Engine Coolant Temperature (ECT) Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1704

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

C

DK GRN

35

Coolant Temperature Gauge Output

Engine Oil Pressure Sensor Connector


Object Number: 39663 Size: CH

Connector Part Information
    • 12065401
    • Metri-Pack 150 Series 3 Way Connector (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil Pressure Gauge Output

B-D

--

--

Not Used

Evaporative Emissions Canister (EVAP) Purge Valve Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • 2 Way F Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Power Feed

B

DK GRN /WHT

428

Canister Purge Solenoid Output

Exhaust Gas Recirculation (EGR) Valve Connector


Object Number: 68773 Size: CH

Connector Part Information
    • 12186057
    • 5 Way F Metri-Pack 150.2 Series, P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

EGR Solenoid Output

B

RED/BLK

645

Sensor Return

C

BRN

1456

EGR Solenoid Position Signal

D

GRY

416

Voltage Feed, 5 V Reference

E

RED

1676

EGR Solenoid Feed

Fuel Injector Connectors, Odd (LH)


Object Number: 154327 Size: CH

Connector Part Information
    • 12129140
    • 2 Way F Metri-Pack 280.1 Series, P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/WHT

39

Power Feed, Fuse 31, Hot In Run and Start

B

BLK

1744

Fuel Injector #1 Control

B

PNK/BLK

1746

Fuel Injector #3 Control

B

BLK/WHT

845

Fuel Injector #5 Control

B

RED/BLK

877

Fuel Injector #7 Control

Fuel Injector Connectors, Even (RH)


Object Number: 154327 Size: CH

Connector Part Information
    • 12129140
    • 2 Way F Metri-Pack 280.1 Series, P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/WHT

39

Power Feed, Fuse 30, Hot In Run and Start

B

LT GRN /BLK

1745

Fuel Injector #2 Control

B

LT BLU /BLK

844

Fuel Injector #4 Control

B

YEL/BLK

846

Fuel Injector #6 Control

B

DK BLU /WHT

878

Fuel Injector #8 Control

Fuel Pump Module Connector


Object Number: 260851 Size: CH

Connector Part Information
    • 12160482
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

150

Ground

HO2S Connector, Bank 1 Sensor 1


Object Number: 260852 Size: CH

Connector Part Information
    • 12162102
    • 4 Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

Sensor Return

B

PPL/WHT

1665

Sensor Signal

C

BLK

150

Ground

D

PNK

539

Power Feed, 12 V

HO2S Connector, Bank 2 Sensor 1


Object Number: 260852 Size: CH

Connector Part Information
    • 12162102
    • 4 Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Sensor Return

B

PPL

1666

Sensor Signal

C

BLK

150

Ground

D

PNK

539

Power Feed, 12 V

HO2S Connector, Bank 1 Sensor 2


Object Number: 260851 Size: CH

Connector Part Information
    • 12160482
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Sensor Return

B

PPL/WHT

1668

Sensor Signal

C

BLK

150

Ground

D

PNK

539

Power Feed, 12 V

HO2S Connector, Bank 2 Sensor 2


Object Number: 260851 Size: CH

Connector Part Information
    • 12160482
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

Sensor Return

B

PPL

1670

Sensor Signal

C

BLK

150

Ground

D

PNK

539

Power Feed, 12 V

Ignition Coil Connectors, Odd (LH)


Object Number: 320619 Size: CH

Connector Part Information
    • 12162144
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

BRN

2129

Coil Return

C

PPL

2121

Coil #1 Control

C

LT BLU

2123

Coil #3 Control

C

DK GRN

2125

Coil #5 Control

C

RED

2127

Coil #7 Control

D

PNK

39

Power Feed, Fuse 31, Hot In Run and Start

Ignition Coil Connectors, Even (RH)


Object Number: 320619 Size: CH

Connector Part Information
    • 12162144
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

BRN

2130

Coil Return

C

RED

2122

Coil #2 Control

C

DK GRN

2124

Coil #4 Control

C

LT BLU

2126

Coil #6 Control

C

PPL

2128

Coil #8 Control

D

PNK

39

Power Feed, Fuse 30, Hot In Run and Start

Intake Air Temperature (IAT) Sensor Connector


Object Number: 68719 Size: CH

Connector Part Information
    • 12162198
    • 2 Way F Metri-Pack 150.2 Series, P2S (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

552

Sensor Return

B

TAN

472

Sensor Signal

Manifold Absolute Pressure (MAP) Sensor Connector


Object Number: 68740 Size: CH

Connector Part Information
    • 12129946
    • 3 Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

407

Sensor Return

B

LT GRN

432

Manifold Absolute Pressure Sensor Signal

C

GRY

605

Reference Voltage Feed, 5 V

Mass Air Flow (MAF) Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

Mass Airflow Sensor Signal

B

BLK/WHT

451

Signal Ground

C

PNK

539

Mass Airflow Sensor Feed, 12 V

Park/Neutral Position Switch Connector


Object Number: 38554 Size: CH

Connector Part Information
    • 12124819
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

434

Park/Neutral Position Switch Signal

B

BLK

150

Ground

Speedometer Adapter Module Connector


Object Number: 62467 Size: CH

Connector Part Information
    • 12066130
    • 9 Way F Micro-Pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

7

LT GRN /BLK

822

Vehicle Speed Sensor Return

8

BLK/WHT

451

Signal Ground

9

PNK

39

Power Feed

10

YEL/BLK

1827

Vehicle Speed Signal, 128000 Pulses Per Mile

11

--

--

Not Used

12

PPL/WHT

821

Vehicle Speed Sensor signal 2

13

--

--

Not Used

14

DK GRN /WHT

817

Vehicle Speed Signal, 4000 Pulses Per Mile

15

DK GRN

389

Vehicle Speed Signal, 4000 Pulses Per Mile

Throttle Actuator Control (TAC) Module C1


Object Number: 261930 Size: CH

Connector Part Information
    • 12191065
    • 16 Way F Micro-Pack 100W Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

485

Throttle Position Sensor Signal 1

2

GRY

596

Reference Voltage Feed, 5 V Reference

3

BRN

718

Sensor Return

4

DK BLU

84

Cruise Control Set/Coast Switch Signal

5

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

6

WHT

17

Stoplamp Switch Output

7

PNK

839

Power Feed

8

BRN

582

Throttle Motor Feed, Close

9

GRY

597

Reference Voltage Feed, 5 V

10

PPL

719

Sensor Return

11

PPL

486

Throttle Position Sensor Signal 2

12

ORN/BLK

1061

Serial Data Signal, UART, Secondary

13

DK BLU /WHT

774

Serial Data Signal, UART, Tertiary

14

GRY

397

Cruise Control ON Switch Output

15

BLK/WHT

451

Signal Ground

16

YEL

581

Throttle Motor Feed, Open

Throttle Actuator Control (TAC) Module C2


Object Number: 258921 Size: CH

Connector Part Information
    • 12065425
    • 10 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1273

Electronic Throttle Pedal Position Return 3

B

PPL

1272

Electronic Throttle Pedal Position Return 2

C

LT BLU

1162

Electronic Throttle Pedal Position Signal 2

D

TAN

1274

Electronic Throttle Pedal Position, 5 V Reference 2

E

YEL/BLK

1275

Electronic Throttle Pedal Position, 5 V Reference 3

F

DK BLU

1161

Electronic Throttle Pedal Position Signal 1

G

WHT/BLK

1164

Electronic Throttle Pedal Position, 5 V Reference 1

H

--

--

Not Used

J

BRN

1271

Electronic Throttle Pedal Position Return 1

K

DK GRN

1163

Electronic Throttle Pedal Position Signal 3

Throttle Body Motor Connector


Object Number: 258847 Size: CH

Connector Part Information
    • 12077400
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

582

Throttle Motor Feed-Close

B

YEL

581

Throttle Motor Feed-Open

Throttle Position (TP) Sensor Connector


Object Number: 73233 Size: CH

Connector Part Information
    • 12162260
    • 6 Way F Metri-Pack 150.2 Series, P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

596

Reference Voltage Feed, 5 V Reference

B

BRN

718

Sensor Return

C

DK GRN

485

Throttle Position Signal 1

D

GRY

597

Reference Voltage Feed, 5 V Reference

E

PPL

719

Sensor Return

F

PPL

486

Throttle Position Signal 2

Vehicle Speed Sensor (VSS) Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052644
    • 2 Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS Signal

B

LT GRN /BLK

822

VSS Return